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205250444412 = 223133779348163
BaseRepresentation
bin1011111100100111100…
…0010011110001111100
3201121210020220220012120
42333021320103301330
511330323103210122
6234142445202540
720554203664056
oct2771170236174
9647706826176
10205250444412
117a056585862
1233941b60450
1316480017810
149d115368d6
15551439b75c
hex2fc9e13c7c

205250444412 has 48 divisors (see below), whose sum is σ = 515895488640. Its totient is φ = 63137089728.

The previous prime is 205250444353. The next prime is 205250444419. The reversal of 205250444412 is 214444052502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205250444419) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 415443 + ... + 763605.

It is an arithmetic number, because the mean of its divisors is an integer number (10747822680).

Almost surely, 2205250444412 is an apocalyptic number.

It is an amenable number.

205250444412 is an abundant number, since it is smaller than the sum of its proper divisors (310645044228).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

205250444412 is a wasteful number, since it uses less digits than its factorization.

205250444412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351962 (or 351960 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 33.

Adding to 205250444412 its reverse (214444052502), we get a palindrome (419694496914).

The spelling of 205250444412 in words is "two hundred five billion, two hundred fifty million, four hundred forty-four thousand, four hundred twelve".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 156 3779 7558 11337 15116 22674 45348 49127 98254 147381 196508 294762 348163 589524 696326 1044489 1392652 2088978 4177956 4526119 9052238 13578357 18104476 27156714 54313428 1315707977 2631415954 3947123931 5262831908 7894247862 15788495724 17104203701 34208407402 51312611103 68416814804 102625222206 205250444412